Basics of applied mechanics

yogendrakumarpmv 281 views 15 slides Oct 31, 2020
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Basics of applied mechanics


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BASICS OF APPLIED MECHANICS BY YOGENDRA KUMAR PART 1

CONTENTS:- Concept of Rigid Body Scalar & Vector Quantities Concept of Force & its characterstics System of Forces Principle of Transimissibility Composition & Resolution of Forces Laws of Forces

A rigid body (also known as a rigid object) is a solid body in which deformation is zero or so small it can be neglected. The distance between any two given points on a rigid body remains constant in time regardless of external forces exerted on it.

FORCE :- F orce is the push or pull on an object with mass that causes it to change velocity (to accelerate). Force represents as a vector, which means it has both magnitude and direction.

IMPORTANT FACTORS OF FORCE:-

SYSTEM OF FORCES

SYSTEM OF FORCES

Composition & Resolution of Forces

LAW OF FORCES

L aw of P arallelogram :- The law of parallelogram of forces states that if two vectors acting on a particle at the same time be represented in magnitude and direction by the two adjacent sides of a parallelogram drawn from a point their resultant vector is represented in magnitude and direction by the diagonal of the parallelogram drawn from the same point .

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